Update gcc 4.3 warnings fix patch with recent head changes


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47368 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index 741c35c..48c25a1 100644
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -217,7 +217,7 @@
 
   // Otherwise, if this range ends in the middle of, or right next to, another
   // interval, merge it into that interval.
-  if (it != ranges.end())
+  if (it != ranges.end()) {
     if (LR.valno == it->valno) {
       if (it->start <= End) {
         it = extendIntervalStartTo(it, Start);
@@ -237,6 +237,7 @@
       assert(it->start >= End &&
              "Cannot overlap two LiveRanges with differing ValID's");
     }
+  }
 
   // Otherwise, this is just a new range that doesn't interact with anything.
   // Insert it.